Display device and electronic device having the same

Abstract

Provided is a display device including a display panel, and an input sensor including a charging electrode in a sensing region and configured to generate an induced magnetic field, a first trace line in a peripheral region adjacent to the sensing region and electrically connected to the charging electrode, an inorganic layer covering the charging electrode, a first organic layer above the inorganic layer, a sensing electrode in the sensing region above the inorganic layer, and a second organic layer above the first organic layer and overlapping the sensing electrode, wherein the first trace line includes a (1-1)-th line portion below the inorganic layer, a (1-2)-th line portion between the inorganic layer and the first organic layer, and electrically connected to the (1-1)-th line portion, and a (1-3)-th line portion between the first organic layer and the second organic layer, and electrically connected to the (1-2)-th line portion.

What is claimed is: 
     
         1 . A display device comprising:
 a display panel; and   an input sensor above the display panel, and comprising:
 a charging electrode in a sensing region, and configured to generate an induced magnetic field; 
 a first trace line in a peripheral region adjacent to the sensing region, and electrically connected to the charging electrode; 
 an inorganic layer covering the charging electrode; 
 a first organic layer above the inorganic layer; 
 a sensing electrode in the sensing region above the inorganic layer; and 
 a second organic layer above the first organic layer, and overlapping the sensing electrode, 
   wherein the first trace line comprises:
 a (1-1)-th line portion below the inorganic layer; 
 a (1-2)-th line portion between the inorganic layer and the first organic layer, and electrically connected to the (1-1)-th line portion; and 
 a (1-3)-th line portion between the first organic layer and the second organic layer, and electrically connected to the (1-2)-th line portion. 
   
     
     
         2 . The display device of  claim 1 , wherein at least one of the (1-1)-th line portion, the (1-2)-th line portion, or the (1-3)-th line portion comprises:
 a first metal layer;   a second metal layer above the first metal layer, and thicker than the first metal layer; and   a third metal layer above the second metal layer, thinner than the second metal layer, and comprising a same material as the first metal layer.   
     
     
         3 . The display device of  claim 2 , wherein the second metal layer is narrower than the first metal layer and the third metal layer in a plan view. 
     
     
         4 . The display device of  claim 1 , wherein the sensing electrode comprises:
 first electrodes extending in a first direction, and arranged in a second direction crossing the first direction; and   second electrodes extending in the second direction, and arranged in the first direction, and   wherein the charging electrode comprises line portions respectively overlapping the second electrodes.   
     
     
         5 . The display device of  claim 4 , wherein the charging electrode further comprises a connection portion connecting first ends of the line portions, and
 wherein the first trace line is provided in plurality, the first trace lines respectively connected to second ends of the line portions.   
     
     
         6 . The display device of  claim 4 , wherein the input sensor further comprises:
 (2-2)-th trace lines respectively connected to second ends of the first electrodes; and   (2-1)-th trace lines respectively connected to first ends of the first electrodes, and comprising:
 a (2-1)-th line portion below the inorganic layer; 
 a (2-2)-th line portion between the inorganic layer and the first organic layer and connected to the (2-1)-th line portion; and 
 a (2-3)-th line portion between the first organic layer and the second organic layer, and electrically connected to the (2-2)-th line portion. 
   
     
     
         7 . The display device of  claim 6 , wherein the (2-1)-th line portion and the (2-2)-th line portion are connected via a first contact hole penetrating the inorganic layer, and
 wherein the (2-2)-th line portion and the (2-3)-th line portion are connected via a second contact hole penetrating the first organic layer.   
     
     
         8 . The display device of  claim 7 , wherein the first contact hole and the second contact hole are separated in plan view 
     
     
         9 . The display device of  claim 4 , wherein the input sensor further comprises:
 (2-2)-th trace lines respectively connected to second ends of the first electrodes; and   (2-1)-th trace lines respectively connected to first ends of the first electrodes, and comprising:
 a (2-1)-th line portion below the inorganic layer; 
 a (2-2)-th line portion between the inorganic layer and the first organic layer, and connected to the (2-1)-th line portion; and 
 a (2-3)-th line portion between the first organic layer and the second organic layer, and connected to the (2-1)-th line portion. 
   
     
     
         10 . The display device of  claim 4 , wherein the input sensor further comprises third signal lines respectively connected to one end of the second electrodes. 
     
     
         11 . The display device of  claim 1 , wherein the input sensor further comprises an electrostatic discharge line in the peripheral region, and comprising line portions at different respective layers and electrically connected to each other. 
     
     
         12 . The display device of  claim 1 , wherein the display panel comprises light-emitting regions, and a non-light-emitting region adjacent to the light-emitting regions, and
 wherein openings corresponding to the light-emitting regions are defined in the sensing electrode.   
     
     
         13 . The display device of  claim 1 , further comprising a pad electrode electrically connected to an end portion of the first trace line, and comprising:
 a first conductive pattern directly on the end portion of the first trace line; and   a second conductive pattern connected to the first conductive pattern via a contact hole penetrating the inorganic layer and the first organic layer, and   wherein the inorganic layer and the first organic layer are between the first conductive pattern and the second conductive pattern.   
     
     
         14 . The display device of  claim 1 , wherein the charging electrode comprises:
 a (1-1)-th line component below the inorganic layer; and   a (1-2)-th line component between the inorganic layer and the first organic layer, and electrically connected to the (1-1)-th line component.   
     
     
         15 . The display device of  claim 1 , wherein the sensing electrode comprises:
 first electrodes extending in a first direction and arranged in a second direction crossing the first direction; and   second electrodes extending in the second direction, arranged in the first direction, having an integrated shape, and having a length that is less than a length of the first electrodes,
 wherein each of the first electrodes comprises: 
 sensing portions between the first organic layer and the second organic layer; and 
 connection portions between the inorganic layer and the first organic layer, and connecting adjacent ones of the sensing portions. 
   
     
     
         16 . A display device comprising:
 a display panel; and   an input sensor above the display panel, and comprising:
 a charging electrode in a sensing region, and configured to generate an induced magnetic field; 
 an inorganic layer covering the charging electrode; 
 a first organic layer above the inorganic layer; 
 a sensing electrode in the sensing region above the inorganic layer; 
 a second organic layer above the first organic layer, and covering the sensing electrode; and 
 a trace line in a peripheral region adjacent to the sensing region, electrically connected to a corresponding electrode among the charging electrode and the sensing electrode, and comprising:
 a (1-1)-th line portion below the inorganic layer; 
 a (1-2)-th line portion between the inorganic layer and the first organic layer, and electrically connected to the (1-1)-th line portion; and 
 a (1-3)-th line portion between the first organic layer and the second organic layer, and electrically connected to the (1-2)-th line portion. 
 
   
     
     
         17 . The display device of  claim 16 , wherein each of the (1-1)-th line portion and the (1-2)-th line portion comprises:
 a first metal layer;   a second metal layer above the first metal layer; and   a third metal layer above the second metal layer, and comprising a same material as the first metal layer,   wherein the second metal layer is thicker than the first metal layer and the third metal layer, and   wherein the second metal layer is narrower than the first metal layer and the third metal layer in a plan view.   
     
     
         18 . The display device of  claim 16 , wherein the sensing electrode comprises:
 first electrodes extending in a first direction, and arranged in a second direction crossing the first direction; and   second electrodes extending in the second direction, and arranged in the first direction, and   wherein the charging electrode comprises line portions respectively overlapping the second electrodes.   
     
     
         19 . An electronic device comprising:
 an input means; and   a display device comprising:
 a display panel, and 
 an input sensor above the display panel, and comprising:
 a charging electrode in a sensing region, and configured to generate an induced magnetic field for charging the input means; 
 a first trace line in a peripheral region adjacent to the sensing region, and electrically connected to the charging electrode; 
 an inorganic layer covering the charging electrode; 
 a first organic layer above the inorganic layer; 
 a sensing electrode in the sensing region above the inorganic layer; and 
 a second organic layer above the first organic layer, and covering the sensing electrode, and 
 
   wherein the first trace line comprises:
 a (1-1)-th line portion below the inorganic layer; 
 a (1-2)-th line portion between the inorganic layer and the first organic layer, and electrically connected to the (1-1)-th line portion; and 
 a (1-3)-th line portion between the first organic layer and the second organic layer, and electrically connected to the (1-2)-th line portion. 
   
     
     
         20 . The electronic device of  claim 19 , wherein the input means comprises an RLC resonant circuit configured to be charged by the induced magnetic field.